Pith Number

pith:MBHUDQ3G

pith:2000:MBHUDQ3GWVXN5AMPDMYYLWGNYU

not attested not anchored not stored refs pending

The toy top, an integrable system of rigid body dynamics

Boris A. Springborn

arxiv:math/0007206 v1 · 2000-07-01 · math.DS · nlin.SI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MBHUDQ3GWVXN5AMPDMYYLWGNYU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:38:30.198023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

604f41c366b56ede818f1b3185d8cdc53320bb9de3b96fcb68c55b4bb7843a8b

Aliases

arxiv: math/0007206 · arxiv_version: math/0007206v1 · doi: 10.48550/arxiv.math/0007206 · pith_short_12: MBHUDQ3GWVXN · pith_short_16: MBHUDQ3GWVXN5AMP · pith_short_8: MBHUDQ3G

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MBHUDQ3GWVXN5AMPDMYYLWGNYU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 604f41c366b56ede818f1b3185d8cdc53320bb9de3b96fcb68c55b4bb7843a8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d4ec9c03dc8851293e73c794d5286fedd13d4a8646268efd82c10139bb0cc08",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "2000-07-01T00:00:00Z",
    "title_canon_sha256": "7741ce722dfb2bdf33604d236d07cbd5d946b8e62c5aea04c73c68264ef73c2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0007206",
    "kind": "arxiv",
    "version": 1
  }
}